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To make daily measurements of the solar ultraviolet irradiance from 120 to 300 nm, with a spectral resolution of 1 nm. Achieve this spectral irradiance measurement with an accuracy of better than 5%, and with long-term repeatability of 0.5%/yr. Use the solar/stellar comparison technique to
446:
by characterizing the Sun's energy and emissions in the form of color that can then be translated into quantities and elements of matter. Data obtained by SORCE can be used to model the Sun's output and to explain and predict the effect of the Sun's radiation on the Earth's atmosphere and climate.
542:
SOLSTICE (SOlar STellar
Irradiance Comparison Experiment) A and B are 36 kg, 33 watts, UV grating spectrometers with photomultiplier detectors that covered the 115-320 nm band at a resolution of 0.1 nm, and at an irradiance accuracy of about 4%. It used an ensemble of bright stars
502:
To make the first measurements of the visible and near-infrared solar irradiance with sufficient precision for future climate studies. Obtain daily measurements of solar spectral irradiance between 0.3 and 2 Ξm with a spectral resolution of at least 1/30, an accuracy of 0.03%, and long-term
567:
NASA decommissioned SORCE on 25 February 2020, after 17 years of operation (over three times the original design life of five years). The spacecraft had struggled with battery degradation problems since 2011, which prevented SORCE from conducting measurements full-time. Ground teams switched to
490:
To make accurate measurements with high precision of total solar irradiance, connect them to previous TSI measurements, and continue this long-term climate record. Provide TSI with an accuracy of 0.01% (100 parts per million) based on SI units and with long-term repeatability of
579:
satellite, which would have continued SORCE's observations, was lost in a launch failure in 2011. A stopgap solar irradiance instrument, the Total Solar
Irradiance Calibration Transfer Experiment (TCTE), was launched in November 2013 on the U.S. Air Force's
533:
SIM (Spectral
Irradiance Monitor) was a 22 kg, 25 watts rotating Fery prism spectrometer with a bolometer output that covered the 200-2400 nm band at a resolution of a few nm, and at an irradiance accuracy of three parts in ten thousand.
524:
TIM (Total
Irradiation Monitor) was a 7.9 kg, 14 watts instrument that covered all visual and infrared wavelengths at an irradiance accuracy of one part in 10000. It used differential, heat-sensitive resistors as detectors.
515:
SORCE carried four instruments, including the Total
Irradiance Monitor (TIM), Solar Stellar Irradiance Comparison Experiment (SOLSTICE), Spectral Irradiance Monitor (SIM), and the XUV Photometer System (XPS):
478:
series of measurements (1999+). SORCE provided measurements of the solar spectral irradiance from 1 to 2000 nm, accounting for 95% of the spectral contribution to the total solar irradiance.
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Left to drift in orbit, SORCE is projected to re-enter the atmosphere in 2032, with most of the spacecraft expected to burn up during re-entry.
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To improve the understanding of how and why solar irradiance varies, estimate past and future solar behavior, and investigate climate responses.
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are underlined. Launch failures are marked with the â sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
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relate the solar irradiance to the ensemble average flux from a number of bright, early-type stars (same stars used by the
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Launches are separated by dots ( âĒ ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).
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daytime-only observations, effectively allowing SORCE to operate with no functioning battery through its
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XPS (XUV Photometer System) was a 3.6 kg, 9 watts photometer which invoked filters to monitor the
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band at 1-34 nm, at a resolution of about seven nm, and at an irradiance accuracy of about 15%.
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NASA planned to keep operating SORCE until a replacement could be developed and launched. The
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400:'s system, and its influence on humankind. SORCE was launched on 25 January 2003 on a
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880:"NASA satellite ends 17-year mission measuring the sun's impact on climate"
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904:. Laboratory for Atmospheric and Space Physics (LASP). 24 July 2019
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observatory orbiting the Earth. Spectral measurements identify the
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This article incorporates text from this source, which is in the
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This article incorporates text from this source, which is in the
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This article incorporates text from this source, which is in the
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This article incorporates text from this source, which is in the
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This article incorporates text from this source, which is in the
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This article incorporates text from this source, which is in the
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This article incorporates text from this source, which is in the
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Solar
Stellar Irradiance Comparison Experiment (SOLSTICE)
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SOLSTICE - Solar
Stellar Irradiance Comparison Experiment
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instrument in 1979 and had been later extended with the
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21 years, 7 months and 18 days (in orbit)
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Flying in a 645 km (401 mi) orbit at a 40.0°
380:. These measurements specifically addressed long-term
700:. Laboratory for Atmospheric and Space Physics (LASP)
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415:(ESE) with precise measurements of solar radiation.
360:-sponsored satellite mission that measured incoming
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486:The science objectives of the SORCE mission were:
16:NASA experiment to measure radiation from the Sun
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33:Solar Radiation and Climate Experiment satellite
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838:"Extreme Ultraviolet Photometer System (XPS)"
456:Laboratory for Atmospheric and Space Physics
547:Extreme Ultraviolet Photometer System (XPS)
466:. It continued the precise measurements of
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586:Total and Spectral solar Irradiance Sensor
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588:(TSIS-1 and TSIS-2) was delivered to the
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2209:Spacecraft launched by Pegasus rockets
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503:repeatability of better than 0.01%/yr.
350:Solar Radiation and Climate Experiment
149:Solar Radiation and Climate Experiment
22:Solar Radiation and Climate Experiment
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766:"Spectral Irradiance Monitor (SIM)"
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621:Upper Atmosphere Research Satellite
497:Upper Atmosphere Research Satellite
13:
1983:Electrojet Zeeman Imaging Explorer
1714:Solar and Heliospheric Observatory
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2199:Spacecraft decommissioned in 2020
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730:"Total Irradiation Monitor (TIM)"
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529:Spectral Irradiance Monitor (SIM)
332:SIM - Spectral Irradiance Monitor
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878:Clark, Stephen (10 April 2020).
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117:https://lasp.colorado.edu/sorce/
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936:http://lasp.colorado.edu/sorce/
520:Total Irradiation Monitor (TIM)
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328:TIM - Total Irradiance Monitor
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73:University of Colorado Boulder
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1623:List of heliophysics missions
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454:, SORCE was operated by the
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1814:Intercosmos 26 (Koronas I)
1722:Solar Dynamics Observatory
186:25 January 2003, 20:13:35
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642:. N2YO. 24 January 2015
384:, natural variability,
245:Decay in 2032 (planned)
213:Lockheed L-1011 TriStar
1767:Apollo Telescope Mount
664:. LASP. Archived from
468:total solar irradiance
1915:Pioneer 6, 7, 8 and 9
1772:Coronas F (Koronas F)
444:irradiance of the Sun
378:total solar radiation
271:Reference system
141:Spacecraft properties
1612:Solar space missions
1232:Optus and Defence C1
979:Orbital launches in
396:, its effect on the
285:Geosynchronous orbit
2204:Solar observatories
902:"TCTE Mission Ends"
844:. NASA. 14 May 2020
808:. NASA. 14 May 2020
772:. NASA. 14 May 2020
736:. NASA. 14 May 2020
668:on 10 February 2012
418:SORCE measured the
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1806:Hinotori (Astro-A)
1706:Parker Solar Probe
613:Spaceflight portal
356:) was a 2003â2020
266:Orbital parameters
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882:. Spaceflight Now
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253:25 February 2020
178:Start of mission
123:Mission duration
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1829:ICE / ISEE-3
1799:
1787:
1751:(since 1994)
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1741:(since 2006)
1733:(since 2020)
1725:(since 2010)
1717:(since 1995)
1709:(since 2018)
1701:(since 2013)
1693:(since 2006)
1685:(since 2015)
1677:(since 2021)
1674:CHASE (Xihe)
1669:(since 2022)
1654:(since 2023)
1646:(since 1997)
1570:
1492:
1453:Chuang Xin 1
1436:
1424:
1197:Mars Express
1176:Hellas Sat 2
1137:
1063:Intelsat 907
1032:
1023:SpaceHab RDM
1016:
906:. Retrieved
896:
884:. Retrieved
846:. Retrieved
841:
832:
810:. Retrieved
805:
796:
774:. Retrieved
769:
760:
738:. Retrieved
733:
724:
702:. Retrieved
698:"Objectives"
692:
670:. Retrieved
666:the original
656:
644:. Retrieved
634:
594:
574:
570:solar panels
566:
550:
541:
532:
523:
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485:
449:
417:
353:
349:
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55:Astrophysics
51:Mission type
18:
1945:Spartan 201
1662: [
1533:Kosmos 2404
1529:Kosmos 2403
1525:Kosmos 2402
1479:Shen Tong 1
1438:Soyuz TMA-3
1339:Kosmos 2401
1335:Kosmos 2400
1325:Kosmos 2399
1320:EchoStar IX
1299:Opportunity
1275:AAU-Cubesat
1207:Kosmos 2398
1139:Soyuz TMA-2
1133:Kosmos 2397
704:31 December
511:Experiments
452:inclination
432:photodiodes
424:radiometers
407:to provide
366:ultraviolet
323:Instruments
300:Inclination
250:Deactivated
204:Launch site
183:Launch date
154:Launch mass
2183:Categories
1520:Gruzomaket
1426:Shenzhou 5
1420:Horizons-1
848:19 January
812:19 January
776:19 January
740:19 January
672:19 October
646:25 January
627:References
491:0.001%/yr.
482:Objectives
436:bolometers
402:Pegasus XL
219:Contractor
198:Pegasus XL
2133:Sun-Earth
2119:Pioneer E
2083:Pioneer H
2071:Cancelled
1925:Prognoz 6
1910:Pioneer 5
1651:Aditya-L1
1488:Yamal-202
1484:Yamal-201
1416:Galaxy 13
1363:September
1304:Rainbow 1
1246:Orbview-3
1222:Thuraya 2
1181:Beidou 1C
1128:AsiaSat-4
1123:Galaxy 12
440:satellite
86:2003-004A
80:COSPAR ID
2168:Category
2150:ACRIMSAT
2062:Sundiver
2045:Proposed
1940:SolarMax
1558:Tan Ce 1
1508:December
1467:November
1458:SERVIS-1
1396:INSAT-3E
1383:BILSAT-1
1330:SCISAT-1
1271:QuakeSat
1201:Beagle 2
1166:Hayabusa
1119:INSAT-3A
1051:February
1003:Coriolis
908:21 April
886:21 April
599:See also
582:STPSat-3
464:Colorado
291:Altitude
242:Disposal
210:(CCAFS),
162:Dry mass
61:Operator
2052:ADAHELI
2015:TRACERS
2007:SWFO-L1
1991:PROBA-3
1976:Planned
1961:Ulysses
1920:PROBA-2
1898:Solwind
1844:MinXSS2
1839:MinXSS1
1794:GOES 13
1788:Genesis
1782:ESRO 2B
1636:Current
1543:USA-175
1538:USA-174
1515:USA-173
1474:FSW-3 1
1449:CBERS-2
1444:USA-172
1409:October
1400:SMART-1
1387:STSat-1
1374:Orion 5
1370:USA-171
1354:USA-170
1344:Spitzer
1236:BSAT-2c
1170:Minerva
1114:USA-169
1093:USA-168
1079:USA-167
1038:USA-166
1018:STS-107
1012:CHIPSat
996:January
662:"SORCE"
592:(ISS).
370:visible
113:Website
101:SATCAT
2036:(2031)
2026:(2028)
2018:(2025)
2010:(2025)
2002:(2025)
1994:(2024)
1986:(2024)
1930:RHESSI
1905:PICARD
1824:ISEE-2
1819:ISEE-1
1800:Helios
1777:EURECA
1738:STEREO
1682:DSCOVR
1548:Amos-2
1498:IGS-2B
1494:IGS-2A
1392:e-Bird
1379:UK-DMC
1313:August
1279:CanX-1
1267:Cute-I
1259:DTUSat
1255:MIMOSA
1227:Spirit
1161:GSAT-2
1088:IGS-1B
1084:IGS-1A
1042:XSS-10
1008:ICESat
988:2004 â
973:â 2002
388:, and
376:, and
334:XPS =
310:Period
304:40.00°
281:Regime
194:Rocket
2140:SORCE
2124:OSO C
2093:OSO K
2088:OSO J
2032:Vigil
1999:PUNCH
1955:TRACE
1935:SOLAR
1893:OSO 8
1888:OSO 7
1883:OSO 6
1878:OSO 5
1873:OSO 4
1868:OSO 3
1863:OSO B
1859:OSO 2
1854:OSO 1
1810:IMP-8
1666:]
1659:ASO-S
1212:AMC-9
1145:GALEX
1102:April
1072:March
1033:SORCE
842:NSSDC
806:NSSDC
770:NSSDC
734:NSSDC
577:Glory
553:X-ray
476:ACRIM
398:Earth
362:X-ray
354:SORCE
108:27651
42:SORCE
39:Names
2112:Lost
2078:AOSO
2057:SETH
1760:Past
1747:Wind
1698:IRIS
1292:July
1263:MOST
1190:June
981:2003
910:2020
888:2020
850:2021
814:2021
778:2021
742:2021
706:2016
674:2011
648:2015
555:and
409:NASA
358:NASA
348:The
69:LASP
65:NASA
2145:SXI
1643:ACE
1154:May
1027:EDO
472:ERB
420:Sun
411:'s
394:Sun
336:XUV
188:UTC
103:no.
71:at
2185::
1664:fr
1625:-
1531:,
1527:,
1496:,
1486:,
1451:,
1398:,
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1234:,
1121:,
1086:,
1040:,
1025:,
1010:,
868:^
840:.
804:.
768:.
732:.
572:.
557:UV
462:,
430:,
426:,
372:,
368:,
364:,
67:,
1861:/
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1590:v
1418:/
1203:)
1199:(
1172:)
1168:(
1029:)
1021:(
964:e
957:t
950:v
923:.
912:.
890:.
863:.
852:.
827:.
816:.
791:.
780:.
755:.
744:.
719:.
708:.
687:.
676:.
650:.
352:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
